Hyundai Ioniq (AE): Heater / Evaporator Core. Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Heating, Ventilation and Air Conditioning / Heater / Evaporator Core. Repair procedures

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater - "Heater Unit")
3.
Remove the evaporator core cover (A) after loosening the mounting screws.

4.
Pull out the evaporator temperature sensor (A) from the evaporator core.

5.
Pull out the evaporator core (A) from the heater unit.

6.
To install, reverse the removal procedure.
   
•
If you're installing a new condenser, add refrigerant oil (POE OIL).
•
Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before installing them. Be sure to use the right O-rings for R-1234yf to avoid leakage.
•
Be careful not to damage the radiator and condenser fins when installing the condenser.
•
Charge the system, and test its performance.

    InspectionOperating Logic Test (Manual only)Inspect the PTC operation by confirmation logic as follows.1.Entering(1)Set the Floor mode and maximum heating position.

    Components Location1. Temperature control actuator [LH]2. Temperature control actuator [RH]

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